CN105763208A - Method and system for tuning and optimizing antenna signal - Google Patents
Method and system for tuning and optimizing antenna signal Download PDFInfo
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- CN105763208A CN105763208A CN201610117245.1A CN201610117245A CN105763208A CN 105763208 A CN105763208 A CN 105763208A CN 201610117245 A CN201610117245 A CN 201610117245A CN 105763208 A CN105763208 A CN 105763208A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
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Abstract
The invention discloses a method and system for tuning and optimizing an antenna signal. The system comprises a CPU, a radio frequency transceiver module, a front-end module, a tuning module, and an antenna module. The CPU is electrically connected with the radio frequency transceiver module and the tuning module. The front-end module is electrically connected with the antenna module through the tuning module, and the radio frequency transceiver module is electrically connected with the front-end module. The system achieves the real-time detection of antenna impedance and the antenna signal, carries out the weighted calculation according to the detection result and other collected communication information, and carries out the tuning control and optimization of an antenna, thereby optimizing the communication quality, improving the communication performance of equipment, and improving the user experience.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and system tuning and optimizing aerial signal.
Background technology
Along with developing rapidly of communication technology, the application of aerial signal communication is utilized also to get more and more.But owing to antenna radiation unit is highly prone to the impact of surrounding, especially the input impedance of antenna is comparatively obvious with surrounding environment change, when antenna impedance changes, impedance between communication equipment with antenna will become not mate, thus affecting the communication quality of communication equipment, reduce the communication performance of communication equipment.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of method and system tuning and optimizing aerial signal, it is intended to solve to change the problem causing communication performance to reduce due to antenna impedance.
Technical scheme is as follows:
A kind of system tuning optimization aerial signal, wherein, including CPU, radio transceiver module, front-end module, tuner module and Anneta module, described radio transceiver module is for receiving and transmitting antenna signal and other communication information；Described front-end module is used for processing radiofrequency signal and controlling duplexer；Described tuner module is used for real-time monitoring aerial impedance and aerial signal；Described CPU is used for calculating current antenna impedance and collecting other communication information current, and by controlling tuner module, antenna is carried out real-time tunable control and optimization according to the antenna impedance calculated and other communication information, thus optimizing communication quality；Described CPU electrically connects with radio transceiver module and tuner module simultaneously, is electrically connected by tuner module between described front-end module and Anneta module, and described radio frequency transmitter module electrically connects with front-end module.
Described tuning optimizes the system of aerial signal, and wherein, described tuner module specifically includes:
Coupler unit, for radiofrequency signal and aerial signal are coupled, obtains coupled signal；
Phase amplitude testing circuit unit, is used for described coupled signal carrying out the detection of phase and amplitude and testing result flows to CPU carrying out Treatment Analysis；
Match circuit unit, for carrying out tunable control and optimization to antenna impedance；
Described phase amplitude testing circuit unit, coupler unit and match circuit unit are sequentially connected electrically.
Described tuning optimizes the system of aerial signal, wherein, described match circuit unit includes conditioned circuit and the first on-off circuit, described conditioned circuit is one of controllable impedance, tunable capacitor and adjustable resistance or its combination in any, described first on-off circuit is provided with that at least one is fixed or adjustable electric capacity, inductance or resistance or its combination and described first switching circuit in series between Anneta module and conditioned circuit, antenna impedance is tuned by controlling conditioned circuit and the first on-off circuit and optimizes.
Described tuning optimizes the system of aerial signal, wherein, described Anneta module specifically includes inverse-F antenna, second switch circuit and parasitic electric wire, being provided with that at least one is fixed or adjustable electric capacity, inductance or resistance or its combination and described second switch circuit connected in series on described second switch circuit between inverse-F antenna and ground wire, described passive antenna and inverse-F antenna coupling are used for widening antenna broadband.
Described tuning optimizes the method that the tuning of the system of aerial signal optimizes aerial signal, wherein, including step:
A, by tuner module, antenna impedance and aerial signal are monitored in real time；
B, calculate current antenna impedance according to monitoring information by CPU, and collect present communications information；
The present communications information of C, the antenna impedance that basis calculates and collection, antenna is carried out real-time tunable control and optimization by controlling Coordination module by CPU, thus optimizing communication quality.
The method that described tuning optimizes aerial signal, wherein, in described step B, present communications information includes present communications frequency range, current transmitting power and current sensor information.
The method that described tuning optimizes aerial signal, wherein, also includes after described step B: the communication information collected is carried out weight distribution.
The method that described tuning optimizes aerial signal, wherein, described step C specifically includes:
C1, radiofrequency signal and aerial signal are coupled, obtain coupled signal；
C2, described coupled signal is carried out the detection of phase and amplitude and testing result is flowed to CPU carries out Treatment Analysis；
C3, antenna impedance is carried out tunable control and optimization, thus optimizing communication quality.
Beneficial effect: the present invention is by detecting in real time antenna impedance and aerial signal, and other communication information according to testing result and collection is weighted, it is tuned antenna controlling and optimizing, thus optimizing communication quality, the communication performance of lifting means, improves Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is a kind of structured flowchart tuning the system preferred embodiment optimizing aerial signal of the present invention.
Fig. 2 is the structured flowchart of front-end module in Fig. 1 of the present invention.
Fig. 3 is the preferred embodiment schematic diagram that antenna impedance is tuned optimizing by the present invention.
Fig. 4 is the structured flowchart of tuner module in Fig. 1 of the present invention.
Fig. 5 is tuner module of the present invention and Anneta module each unit connection diagram.
Fig. 6 is that the present invention is a kind of tunes the method preferred embodiment flow chart optimizing antenna.
Fig. 7 is the particular flow sheet of step S120 in method shown in Fig. 6.
Fig. 8 is that the multiple Anneta module distribution of the present invention connects preferred embodiment schematic diagram.
Detailed description of the invention
The present invention provides a kind of method and system tuning and optimizing aerial signal, and for making the purpose of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is a kind of structured flowchart tuning the system preferred embodiment optimizing aerial signal of the present invention, as shown in the figure, comprising: CPU100, radio transceiver module 110, front-end module 120, tuner module 130 and Anneta module 140, described radio transceiver module 110 is for receiving and transmitting antenna signal and other communication information；Described front-end module 120 is used for processing radiofrequency signal and controlling duplexer；Described tuner module 130 is for real-time monitoring aerial impedance and aerial signal；Described CPU100 is used for calculating current antenna impedance and collecting other communication information current, and by controlling tuner module 130, antenna is carried out real-time tunable control and optimization according to the antenna impedance calculated and other communication information, thus optimizing communication quality；Described CPU100 electrically connects with radio transceiver module 110 and tuner module 130 simultaneously, is electrically connected by tuner module 130 between described front-end module 120 and Anneta module 140, and described radio frequency transmitter module 110 electrically connects with front-end module 120.
In embodiments of the present invention, by tuner module 130, antenna impedance and aerial signal are detected in real time, CPU100 is weighted according to other communication information of testing result and collection, and control tuner module 130 antenna is tuned control and optimize, thus optimizing communication quality, the communication performance of lifting means, improves Consumer's Experience.
Specifically, as shown in Figure 2, described front-end module 120 has specifically included radio frequency amplifier unit 121, Duplexer Unit 122 and duplexer unit 123, described radio frequency amplifier unit 121 belongs to the important component part of transmitting set, its small-power radiofrequency signal being mainly used in modulation oscillator circuit produces carries out power amplification, could be fed on antenna by these radiofrequency signals and radiate；Described Duplexer Unit 122 is a kind of alien frequencies two-way radios, it it is the key fitment of trunk desk, its effect is by isolated to transmitting and reception signal, ensureing to receive and launch can simultaneously normal operation, it is made up of the band elimination filter of two groups of different frequencies, it is to avoid the machine is launched signal and is transferred to receiver；Described duplexer unit 123 is used for unlatching and the Guan Bi of different antennae in control equipment.
Refer to Fig. 3, Fig. 3 is the preferred embodiment schematic diagram that antenna impedance is tuned optimizing by the present invention, it is alternatively referred to as the Smith figure of antenna impedance, its initial point is the impedance of 50 ohm, when radio communication works time, by phase amplitude testing circuit, CPU detects that RF transceiver issues the information of antenna, calculate antenna impedance position on Smith figure.In Fig. 3, solid-line curve a is the original impedance of the possible full frequency band of antenna, and wherein one section of bold curve 1 is the working frequency range impedance curve that antenna is current, the height edge frequency of 2 and 3 respectively working frequency range.Calculated by CPU after a is impacted and be likely curve b, wherein bold curve 4 be bold curve 1 impacted after state, 5 corresponding with 62 and 3.CPU calculates according to information, is tuned on-off circuit presumable in tuner module and antenna and conditioned circuit controlling, and antenna work at present frequency range curve 4 is adjusted curve 7,8 and 9 difference corresponding 5 and 6, c correspondence b.Thus, can reach to optimize the purpose of aerial signal, thus optimizing communication quality.
Further, in embodiments of the present invention, as shown in Figure 4, described tuner module 130 has specifically included phase amplitude testing circuit unit 131, coupler unit 132 and match circuit unit 133, wherein, described coupler unit 132 is for coupling radiofrequency signal and aerial signal, obtain coupled signal, phase amplitude testing circuit unit 131 is then used for described coupled signal carrying out the detection of phase and amplitude and testing result flows to CPU100 carrying out Treatment Analysis, eventually through match circuit unit 133, antenna impedance carried out tunable control and optimization, and then optimization communication quality.
Specifically, as shown in Figure 5, described match circuit unit 133 also includes conditioned circuit 134 and the first on-off circuit 135, further, described conditioned circuit 134 can be controllable impedance, tunable capacitor or adjustable resistance or its combination in any, certainly, described conditioned circuit can also is that being optionally combined of controllable impedance, tunable capacitor or adjustable resistance and fixed inductance, fixed capacity or fixed resistance, and concrete collocation form can combine according to the needs of communication equipment.Described first on-off circuit 135 is connected between Anneta module 140 and conditioned circuit 134, described first on-off circuit 135 is provided with that at least one is fixed or adjustable electric capacity, inductance or resistance or its combination, carries out antenna impedance and aerial signal to control tuning and optimizing by controlling conditioned circuit and the first on-off circuit.
Further, described Anneta module 140 includes inverse-F antenna 136, second switch circuit 137 and parasitic electric wire 138, described second switch circuit 137 is similar to the first on-off circuit 135, described second switch circuit 137 is again provided with that at least one is fixed or adjustable electric capacity, inductance or resistance or its combination and described second switch circuit 137 is connected between inverse-F antenna 136 and ground wire, further, described passive antenna 138 and inverse-F antenna 136 are of coupled connections for widening antenna broadband.
Based on said system, the present invention also provides for a kind of method tuning and optimizing aerial signal, and as shown in Figure 6, it includes step:
S100, by tuner module, antenna impedance and aerial signal are monitored in real time；
S110, calculate current antenna impedance according to monitoring information by CPU, and collect present communications information；
The present communications information of S120, the antenna impedance that basis calculates and collection, antenna is carried out real-time tunable control and optimization by controlling Coordination module by CPU, thus optimizing communication quality.
As it is shown in fig. 7, in described step S120, it specifically includes step:
S121, radiofrequency signal and aerial signal are coupled, obtain coupled signal；
S122, described coupled signal is carried out the detection of phase and amplitude and testing result is flowed to CPU carries out Treatment Analysis；
S123, antenna impedance is carried out tunable control and optimization, thus optimizing communication quality.
In step s 110, described present communications information includes present communications frequency range, current transmitting power and current sensor information, described CPC carries out weight distribution according to the communication information collected and to the communication information collected, thus preferably de-tuned control and optimize the impedance of each antenna, reach to optimize the purpose of communication quality.nullSpecifically，Communication equipment is provided with at least one Anneta module，Preferably，As shown in Figure 8，When in communication equipment, distribution has 6 Anneta modules，And each of which Anneta module is all connected with control circuit，In described control circuit, each module connected mode is as shown in Figure 1，I.e. Anneta module and tuner module、CPU、Front-end module and radio transceiver module electrical connection，When judging that antenna 5 has been subject to affect by capacitance sensor，Judge that antenna 2 and 3 is likely to be subject to affect by distance and light sensor，Simultaneously also by the communication information，Judge antenna 4 and 6 not work，If so now the signal output of antenna 4 and 6 can be optimized antenna 1 by closedown、The performance of 2 and 3，That is shut off antenna 4 and 6，Simultaneously to antenna 1、The 2 tuning optimizations carrying out similar Fig. 3 with 3，Promote the communication performance of communication equipment.
In sum, the present invention is by detecting in real time antenna impedance and aerial signal, and other communication information according to testing result and collection is weighted, it is tuned antenna controlling and optimizing, thus optimizing communication quality, the communication performance of lifting means, improve Consumer's Experience.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, it is possible to improved according to the above description or convert, all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (8)
1. one kind tunes the system optimizing aerial signal, it is characterised in that include CPU, radio transceiver module, front-end module, tuner module and Anneta module, and described radio transceiver module is for receiving and transmitting antenna signal and other communication information；Described front-end module is used for processing radiofrequency signal and controlling duplexer；Described tuner module is used for real-time monitoring aerial impedance and aerial signal；Described CPU is used for calculating current antenna impedance and collecting other communication information current, and by controlling tuner module, antenna is carried out real-time tunable control and optimization according to the antenna impedance calculated and other communication information, thus optimizing communication quality；Described CPU electrically connects with radio transceiver module and tuner module simultaneously, is electrically connected by tuner module between described front-end module and Anneta module, and described radio frequency transmitter module electrically connects with front-end module.
2. tuning according to claim 1 optimizes the system of aerial signal, it is characterised in that described tuner module specifically includes:
Coupler unit, for radiofrequency signal and aerial signal are coupled, obtains coupled signal；
Phase amplitude testing circuit unit, is used for described coupled signal carrying out the detection of phase and amplitude and testing result flows to CPU carrying out Treatment Analysis；
Match circuit unit, for carrying out tunable control and optimization to antenna impedance；
Described phase amplitude testing circuit unit, coupler unit and match circuit unit are sequentially connected electrically.
3. tuning according to claim 2 optimizes the system of aerial signal, it is characterized in that, described match circuit unit includes conditioned circuit and the first on-off circuit, described conditioned circuit is one of controllable impedance, tunable capacitor and adjustable resistance or its combination in any, described first on-off circuit is provided with that at least one is fixed or adjustable electric capacity, inductance or resistance or its combination and described first switching circuit in series between Anneta module and conditioned circuit, antenna impedance is tuned by controlling conditioned circuit and the first on-off circuit and optimizes.
4. tuning according to claim 1 optimizes the system of aerial signal, it is characterized in that, described Anneta module specifically includes inverse-F antenna, second switch circuit and parasitic electric wire, being provided with that at least one is fixed or adjustable electric capacity, inductance or resistance or its combination and described second switch circuit connected in series on described second switch circuit between inverse-F antenna and ground wire, described passive antenna and inverse-F antenna coupling are used for widening antenna broadband.
5. the method that the tuning of the system of a tuning optimization aerial signal as claimed in claim 1 optimizes aerial signal, it is characterised in that include step:
A, by tuner module, antenna impedance and aerial signal are monitored in real time；
B, calculate current antenna impedance according to monitoring information by CPU, and collect present communications information；
The present communications information of C, the antenna impedance that basis calculates and collection, antenna is carried out real-time tunable control and optimization by controlling Coordination module by CPU, thus optimizing communication quality.
6. the method that tuning according to claim 5 optimizes aerial signal, it is characterised in that in described step B, present communications information includes present communications frequency range, current transmitting power and current sensor information.
7. the method that tuning according to claim 5 optimizes aerial signal, it is characterised in that also include after described step B: the communication information collected is carried out weight distribution.
8. the method that tuning according to claim 5 optimizes aerial signal, it is characterised in that described step C specifically includes:
C1, radiofrequency signal and aerial signal are coupled, obtain coupled signal；
C2, described coupled signal is carried out the detection of phase and amplitude and testing result is flowed to CPU carries out Treatment Analysis；
C3, antenna impedance is carried out tunable control and optimization, thus optimizing communication quality.
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| CN201610117245.1A CN105763208B (en) | 2016-03-02 | 2016-03-02 | A kind of method and system of tuning optimization aerial signal |
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| CN201610117245.1A CN105763208B (en) | 2016-03-02 | 2016-03-02 | A kind of method and system of tuning optimization aerial signal |
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| CN105763208A true CN105763208A (en) | 2016-07-13 |
| CN105763208B CN105763208B (en) | 2018-10-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109149109A (en) * | 2018-08-22 | 2019-01-04 | 青岛海信电器股份有限公司 | A kind of antenna tuning method and wireless terminal |
| CN111525265A (en) * | 2020-05-22 | 2020-08-11 | 闻泰通讯股份有限公司 | Antenna tuning system, electronic equipment and antenna tuning method |
| CN112703678A (en) * | 2018-09-21 | 2021-04-23 | 高通股份有限公司 | System and method for antenna tuning |
| CN113394556A (en) * | 2021-05-25 | 2021-09-14 | 联合汽车电子有限公司 | Tuning assembly and NFC device |
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| CN102271002A (en) * | 2010-06-03 | 2011-12-07 | 美国博通公司 | Radio front end and circuit |
| WO2013126276A1 (en) * | 2012-02-22 | 2013-08-29 | Motorola Mobility Llc | Antenna element as capacitive proximity/touch sensor for adaptive antenna performance improvement |
| CN103546188A (en) * | 2013-10-30 | 2014-01-29 | 西安乾易企业管理咨询有限公司 | Wireless mobile terminal of self-tuning antenna and adjusting method of self-tuning antenna |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102271002A (en) * | 2010-06-03 | 2011-12-07 | 美国博通公司 | Radio front end and circuit |
| WO2013126276A1 (en) * | 2012-02-22 | 2013-08-29 | Motorola Mobility Llc | Antenna element as capacitive proximity/touch sensor for adaptive antenna performance improvement |
| CN103546188A (en) * | 2013-10-30 | 2014-01-29 | 西安乾易企业管理咨询有限公司 | Wireless mobile terminal of self-tuning antenna and adjusting method of self-tuning antenna |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149109A (en) * | 2018-08-22 | 2019-01-04 | 青岛海信电器股份有限公司 | A kind of antenna tuning method and wireless terminal |
| CN112703678A (en) * | 2018-09-21 | 2021-04-23 | 高通股份有限公司 | System and method for antenna tuning |
| CN112703678B (en) * | 2018-09-21 | 2021-12-28 | 高通股份有限公司 | System and method for antenna tuning |
| CN111525265A (en) * | 2020-05-22 | 2020-08-11 | 闻泰通讯股份有限公司 | Antenna tuning system, electronic equipment and antenna tuning method |
| CN113394556A (en) * | 2021-05-25 | 2021-09-14 | 联合汽车电子有限公司 | Tuning assembly and NFC device |
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| CN105763208B (en) | 2018-10-26 |
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